<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" errorPage="error.jsp"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>main page</title>
</head>
<body>
	<%
	String str = null;
	str.chars();
	%>
	
	
</body>
</html>